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Houssein Safa, MD Profile
Houssein Safa, MD

@hsafaMD

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PGY6 Heme/Onc fellow @BCMHouston @BCMHemeonc. Postdoc alumnus via @MDandersonnews. A ♋️ treating cancer. Despiser of windowless rooms. Views are my own.

Houston, TX
Joined March 2011
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@hsafaMD
Houssein Safa, MD
13 days
🚀 Launching a new series for interns, residents, and hospitalists:. 🎗️ Oncology for The Non-Oncologist Tuesdays 🎗️.🩸 Hematology for The Non-Hematologist Thursdays 🩸. My previous PD used to say “Heme/Onc is like practicing medicine on Mars.”. My goal? .Take you to Mars, and.
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@hsafaMD
Houssein Safa, MD
4 hours
What no one tells you is that medicine isn’t about answers. It’s about managing the weight of questions.
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@hsafaMD
Houssein Safa, MD
21 hours
Wait, before you clock out for the day . why don’t you learn thrombocytopenia on the go? Link below 👇🏻.
@hsafaMD
Houssein Safa, MD
2 days
🩸Hematology for The Non-Hematologist🩸. (An educational series for internal medicine trainees and physicians, aiming to make hematology more approachable for the non-hematologist.). Episode 3 - Thrombocytopenia: A Step-by-Step Guide. Listen up - 🧵.
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@hsafaMD
Houssein Safa, MD
1 day
RT @hsafaMD: 🩸Hematology for The Non-Hematologist🩸. (An educational series for internal medicine trainees and physicians, aiming to make he….
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@hsafaMD
Houssein Safa, MD
2 days
RT @dr_PrakhyathS: @hsafaMD Submitted my application for Heme/Onc fellowship. Grateful beyond words to my mentors, program and friends whos….
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@hsafaMD
Houssein Safa, MD
2 days
Do you to learn more about how to approach an incidental mass? Link below 👇🏻.
@hsafaMD
Houssein Safa, MD
5 days
🎗️Oncology for The Non-Oncologist🎗️. Episode 2: How to Approach an Incidental Mass. Listen up - 🧵.
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@hsafaMD
Houssein Safa, MD
2 days
If you found this helpful, like and repost so it reaches the next person caught off guard. And stay tuned for episode 4 next week. Next heme Thursday: What exactly is Neutropenic fever?.
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@hsafaMD
Houssein Safa, MD
2 days
16/ Bottom line:. 1.Confirm thrombocytopenia is real.2.Assess bleeding risk / clinical urgency.3.Send primary labs + smear.4.Think production vs. destruction vs. sequestration.5.Look for red flags (TTP, HIT, DIC, leukemia).6.Know when to call Heme.7.Know when (and when not) to.
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@hsafaMD
Houssein Safa, MD
2 days
Stay tuned. I’ll post a full discussion of the case presented earlier in the thread, including the correct answer and key teaching points.
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@hsafaMD
Houssein Safa, MD
2 days
15/ Bonus post:. Less Common, But Don’t Miss:. Not every thrombosis-related thrombocytopenia is HIT or DIC. Keep these in mind:. – Trousseau Syndrome.Cancer-driven hypercoagulability causing recurrent or migratory clots. Platelets may be normal or mildly low due to ongoing.
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@hsafaMD
Houssein Safa, MD
2 days
14/ What about in ITP?. In ITP (Immune Thrombocytopenia), transfusing platelets is generally avoided unless absolutely necessary. Why? Because the underlying issue is immune-mediated platelet destruction, so transfused platelets are rapidly cleared. Here’s a simple, practical.
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@hsafaMD
Houssein Safa, MD
2 days
13/ When (and when NOT) to transfuse platelets. Generally speaking. – <10K → transfuse even without bleeding (prophylactic).- < 20k → if febrile (soft call).– <50K → if active bleeding or before major procedures (check with surgery team).– <100K → transfuse before.
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@hsafaMD
Houssein Safa, MD
2 days
12/ When should you call Hematology urgently for thrombocytopenia? Cont’d. – Smear shows blasts or pancytopenia.Consider leukemia or marrow failure. → Early Heme input for workup and transfusion planning. → Treatment targets underlying marrow suppression or malignancy. –.
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@hsafaMD
Houssein Safa, MD
2 days
11/ When should you call Hematology urgently for thrombocytopenia?. Here’s when to act fast, and why:. – TTP.Thrombocytopenia + hemolysis ± confusion, renal failure, fever. → Send ADAMTS13 and Call Heme STAT. → Plasma exchange removes autoantibodies and supplies missing.
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@hsafaMD
Houssein Safa, MD
2 days
10/ On the other hand -. Thrombocytopenia on the Wards: Think Slow, Think Chronic. When you encounter thrombocytopenia on the general medicine floor, the approach changes. It’s *often* not an acute emergency. It’s a chronic or subacute process until proven otherwise. What should.
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@hsafaMD
Houssein Safa, MD
2 days
9/ Thrombocytopenia in the ICU: A Different Beast. Platelets drop in critically ill patients all the time. Common culprits:. – Sepsis and DIC.– Mechanical destruction (ECMO, IABP).– HIT (especially post-op or post-CVICU).– Cytokine storm/inflammation-driven consumption.–.
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@hsafaMD
Houssein Safa, MD
2 days
8/ What labs should you send when platelets are low?. – CBC with differential.Helps assess for other cytopenias. – Peripheral smear.Look for schistocytes, blasts, platelet clumping, or large platelets. The smear will often narrow your differential immediately. – LDH,.
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@hsafaMD
Houssein Safa, MD
2 days
7/ Once you’ve confirmed true thrombocytopenia, your next question is simple:. Is this an emergency?. Key questions to ask:. – Is the patient actively bleeding?.– Are platelets critically low? (Usually <10k–20k).– Are there other cell lines affected? (Anemia, leukopenia?).– Are.
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@hsafaMD
Houssein Safa, MD
2 days
6/ Now that you’ve confirmed it’s real, time to think about true thrombocytopenia. When platelets are low, causes fall into three main categories:. – Decreased production:.Bone marrow isn’t making enough platelets. → Causes: chemotherapy, radiation, alcohol use, viral.
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@hsafaMD
Houssein Safa, MD
2 days
5/ Other causes of falsely low Platelets:. – Clotted sample.→ Blood started clotting in the tube.→ Platelets trapped in the clot.→ Result: falsely low platelet count. – Large platelets (giant platelets).→ Machine misses them or misclassifies as white cells.→ Result: falsely.
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@hsafaMD
Houssein Safa, MD
2 days
4/ Thrombocytopenia doesn’t always mean true thrombocytopenia. Ask:. – Has the platelet count been repeated?.– Was the blood drawn properly?.– Did the lab report platelet clumping (Pseudothrombocytopenia)?. Pseudothrombocytopenia is caused by EDTA-dependent platelet clumping in
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